Keyphrases
- social media
- social networks
- online social networks
- micro blogging
- latin america
- polarity classification
- social networking
- database systems
- social networking sites
- information diffusion
- decision trees
- database
- search algorithm
- data sets
- microblog posts
- text messages
- online social
- public opinion
- topic detection
- network structure
- social interaction
- text classification
- bayesian networks